On Mon, Sep 24, 2018 at 12:57:16PM -0700, Nathan Chancellor wrote:
> Clang warns when one enumerated type is implicitly converted to another.
> 
> drivers/infiniband/hw/mlx4/mad.c:1811:41: warning: implicit conversion
> from enumeration type 'enum mlx4_ib_qp_flags' to different enumeration
> type 'enum ib_qp_create_flags' [-Wenum-conversion]
>                 qp_init_attr.init_attr.create_flags = MLX4_IB_SRIOV_TUNNEL_QP;
>                                                     ~ ^~~~~~~~~~~~~~~~~~~~~~~
> 
> drivers/infiniband/hw/mlx4/mad.c:1819:41: warning: implicit conversion
> from enumeration type 'enum mlx4_ib_qp_flags' to different enumeration
> type 'enum ib_qp_create_flags' [-Wenum-conversion]
>                 qp_init_attr.init_attr.create_flags = MLX4_IB_SRIOV_SQP;
>                                                     ~ ^~~~~~~~~~~~~~~~~
> 
> The type mlx4_ib_qp_flags explicitly provides supplemental values to the
> type ib_qp_create_flags. Make that clear to Clang by changing the
> create_flags type to u32.
> 
> Reported-by: Nick Desaulniers <[email protected]>
> Signed-off-by: Nathan Chancellor <[email protected]>
> ---
>  include/rdma/ib_verbs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to for-next, thanks

BTW, how are you compiling with clang?

Jason

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